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47%
Linking Kubernetes clusters
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Lead Image © choreograph, 123RF.com
-federation-system upgrade -i kubefed kubefed-charts/kubefed --version=0.9.0 --create-namespace The next step is to add the first cluster to the federation. To manage the federation, download the kubefedctl [2] tool and copy
47%
OpenLDAP Workshop
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © tiero, 123RF.com
# replace: olcRootDN 07 dn: olcDatabase={2}bdb,cn=config 08 changetype: modify 09 replace: olcRootPW 10 olcRootPW: {SSHA}f0pv70XFFox5UqKc6A4Uy39NcxkqcJbc 11 - 12 replace: olcAccess 13 olcAccess: {0}to attrs
47%
Stat-like Tools for Admins
19.11.2014
Home »  HPC  »  Articles  » 
at the swap usage. Although this method works reasonably well, I prefer to use vmstat  [2] (virtual memory statistics), because I can tell how actively the node is swapping – a little or a lot? Vmstat
47%
Performance Health Check
13.06.2022
Home »  HPC  »  Articles  » 
Many HPC systems check the state of a node b efore  running a n  application, but not very many check that the performance of the node is acceptable before running the job. ... made to the benchmarks of the latest version 3.4.2 of the NPB are: added class F to the existing S, W, A, B, C, D, E added dynamic memory allocation added MPI and OpenMP programming models ... Many HPC systems check the state of a node b efore  running a n  application, but not very many check that the performance of the node is acceptable before running the job.
47%
Kubernetes k3s lightweight distro
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image Photo by Josh Rakower on Unsplash
STATUS RESTARTS AGE kube-system coredns-d798c9dd-h25s2 0/1 Running 0 10m kube-system metrics-server-6d684c7b5-b2r8w 0/1 CrashLoopBackOff 6
47%
Parallel Versions of Familiar Serial Tools
28.08.2013
Home »  HPC  »  Articles  » 
). You can specify the number of threads to use and the block size, as in this example, % pbzip2 -p 8 -b15vk massivetarball.tar which uses eight threads and a block size of 1500KB (1.5MB). A second
47%
Setting up MariaDB replication with the help of XtraBackup
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Kran Kanthawong, 123RF.com
=backup --password=<a_good_Password> --safe-slave-backup --use-memory=1GB --apply-log "/mnt/backup/mariadb/2016-05-17-21_26_32">>/mnt/backup/mariadb/backup_apply.log 2>&1 A slave can use the same version
47%
Operating systems for the cloud and containers
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © leeavison, 123RF.com
with the cloud-init framework [9] then step in; the matching configuration files are found in /etc/cirros-init/. The scope of supply includes templates for Amazon EC2, for a configuration drive (configdrive
47%
NetFlow reporting with Google Analytics
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Qi Feng, 123RF.com
source nfdump [5] tool does this job on an existing Linux server or on a lean virtual machine (VM). A CPU core, 256MB of RAM, and a 2GB hard drive are sufficient for the VM. You can install on Cent
47%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
:19:01 2023 version: 8.4.11 (api:1/proto:86-101) srcversion: 2A5DFCD31AE4EBF93C0E357 0: cs:SyncTarget ro:Secondary/Primary ds:Inconsistent/UpToDate C r----- ns:0 nr:1755136 dw:1755136 dr:0 al:8 bm:0 lo:1

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